lollygag vs hang around

lollygag and hang around both are verbs.

Word	Noun	Adjective	Verb	Adverb
lollygag	No	No	Yes	No
hang around	No	No	Yes	No

As verbs, lollygag and hang around are synonyms defined as:

Other synonyms of lollygag include footle, lallygag, linger, loaf, loiter, lounge, lurk, mess about, mill about, mill around, tarry.

lollygag (verb)	hang around (verb)
be about a place without any apparent purpose	be about a place without any apparent purpose